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7438775097 = 3133117233571
BaseRepresentation
bin1101110110110001…
…01011001100111001
3201012102100221001210
412323120223030321
5110213311300342
63230050433333
7352224354645
oct67330531471
921172327053
107438775097
113177aa3916
121537292849
139171a2690
14507d35c25
152d80db79c
hex1bb62b339

7438775097 has 32 divisors (see below), whose sum is σ = 11035365376. Its totient is φ = 4426228800.

The previous prime is 7438775093. The next prime is 7438775111. The reversal of 7438775097 is 7905778347.

It is a happy number.

It is not a de Polignac number, because 7438775097 - 22 = 7438775093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7438775093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2081322 + ... + 2084892.

It is an arithmetic number, because the mean of its divisors is an integer number (344855168).

Almost surely, 27438775097 is an apocalyptic number.

It is an amenable number.

7438775097 is a deficient number, since it is larger than the sum of its proper divisors (3596590279).

7438775097 is a wasteful number, since it uses less digits than its factorization.

7438775097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5341.

The product of its (nonzero) digits is 10372320, while the sum is 57.

The square root of 7438775097 is about 86248.3338795597. Note that the first 3 decimals coincide. The cubic root of 7438775097 is about 1952.0928743470.

The spelling of 7438775097 in words is "seven billion, four hundred thirty-eight million, seven hundred seventy-five thousand, ninety-seven".

Divisors: 1 3 13 31 39 93 403 1209 1723 3571 5169 10713 22399 46423 53413 67197 110701 139269 160239 332103 694369 1439113 2083107 4317339 6152833 18458499 79986829 190737823 239960487 572213469 2479591699 7438775097